System Administrator with Security Clearance

The System Administrator provides Tier-3 operational and maintenance support for enterprise IT and data center monitoring systems. This role ensures system availability, security compliance, and continuous monitoring across regional and global infrastructures.

Key Responsibilities

• Administer and maintain enterprise monitoring and logging platforms including:
• Nagios (multi-region)
• NetFlow/sFlow collectors
• HP Network Node Manager (HPNMi)
• HP Network Automation (HPNA)
• Syslog and Cribl
• Maintain regional and global instances to ensure continuous availability and mission support.
• Perform system scaling, configuration changes, and performance tuning as operational requirements evolve.
• Execute patching and upgrades of applications and systems for:
• Security compliance
• Bug remediation
• Provide advanced troubleshooting and root cause analysis for mission-impacting incidents.
• Assist with alert tuning, false positive reduction, and onboarding of new monitoring alerts.
• Support enterprise environmental logging and monitoring infrastructures to meet uptime SLAs.
• Track incidents, service requests, and changes
• Support log retention, storage, and restoration processes.
• Assist users with software installation, usage, and operational best practices. Requirements Top Secret SCI w/ Polygraph Clearance Required Required Skills
• Linux system administration
• Enterprise monitoring tools (Nagios, NetFlow, Syslog)
• Network troubleshooting fundamentals
• Patch and configuration management
• Incident response and operational support in secure environments